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    SubjectRe: [PATCH *] use 64 bit jiffies
    On Mon, 3 Feb 2003, Matti Aarnio wrote:

    > On Mon, Feb 03, 2003 at 09:47:00AM +0100, Tim Schmielau wrote:
    > > On Mon, 3 Feb 2003, Matti Aarnio wrote:
    > > > I do have a number of machines with 100 to 300 day uptimes, all
    > > > with "mere" 32-bit jiffy. With 1000 Hz clock that means at least
    > > > one full wrap-around of jiffy.
    > >
    > > Are these 2.5 machines? If so I'd really like to know whether or not
    > > ps shows old processes as having started in the future.
    > > With a simulated uptime it does, but I might have overlooked something.
    >
    > 300 day uptime with 2.5 ? Do think again.

    Well, 100 days of uptime could be around 2.5.40.

    >
    > These are 2.4 series kernels. 2.4.17, 2.4.18, 2.4.20
    >
    > With updated 'ps' tools the processes are definitely in the past,
    > although seeing mere "2002" does not tell all that detailed about
    > "when". A "apr17" would be more usefull. Any date in "future"
    > means it is of previous year.

    Ok, so on these machines jifies haven't wrapped yet (if you haven't
    changed HZ).
    Thanks anyways,

    Tim



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